Is unique in that it offers all of the benefits of permanent professional haircolor with NO AMMONIA‐No Odor . Colorinsider injects color inside for high‐resolution results. Maximum color impact. Provides deeply saturated coverage on 100% grey hair. Creating full power, sharped‐focused tones, with Predictable, true‐to‐tone results. It lifts up to 3 levels and offers almost infinite haircolor possibilities.